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Classifications

F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR

F03D—WIND MOTORS

F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor

F03D1/06—Rotors

F03D1/0608—Rotors characterised by their form

F03D1/0633—Rotors characterised by their form of the blades

F03D1/0641—Rotors characterised by their form of the blades of the section profile of the blades

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR

F03D—WIND MOTORS

F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor

F03D1/06—Rotors

F03D1/0608—Rotors characterised by their form

F03D1/0633—Rotors characterised by their form of the blades

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04

F05B—INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY

F05B2240/00—Components

F05B2240/20—Rotors

F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor

F05B2240/301—Cross-section characteristics

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04

F05B—INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY

F05B2250/00—Geometry

F05B2250/70—Shape

F05B2250/71—Shape curved

F05B2250/711—Shape curved convex

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04

F05B—INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY

F05B2250/00—Geometry

F05B2250/70—Shape

F05B2250/71—Shape curved

F05B2250/712—Shape curved concave

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE